HP 746470-001 Fan 2-3 and holder assembly - Includes the blue plastic fan holder with 92mm x 38mm (3.62 inches x 1.50 inches) fan and cable - Mounts behind the hard drive cages Authentic and Guaranteed Please make sure that this is installed by an experienced technician Always make sure that this is replacing a part with an exactly identical part number May or may not include original packaging.